--CREATE TABLE
create table t(x int);

-- PROC1[快]
create or replace procedure proc1 as
begin
  for i in 1 .. 10000 loop
   EXECUTE IMMEDIATE' insert into t(x) values(:x)'; USING i;
  end loop;
end;

-- PROC2 [慢3倍]
CREATE OR REPLACE PROCEDURE PROC2 AS
begin
  FOR I IN 1 .. 10000 LOOP
    EXECUTE IMMEDIATE 'INSERT INTO T(X) VALUES (' || I || ')';
  END LOOP;
end;